Inventor
Kazuo Koyama
Inventor
Kimitsu, JP
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals17%
Y10TTechnical subjects covered by former us classification12%
C22CAlloys11%
H04HBroadcast communication9%
H03JTuning resonant circuits5%
C23CCoating metallic material4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B21BRolling of metal3%
B22DCasting of metals3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
PatentTitleYear
10,833,696Successive-approximation type AD converter and pipeline type AD converter20209,938,028Stretch packaging machine20188,891,683'IBOC broadcast receiver'20148,766,715'Amplifier circuit'20148,497,739'Single-differential converting circuit'20138,265,585'IBOC broadcasting receiver'20128,177,038'Disk brake apparatus'20128,121,566'Broadcast receiver and broadcast channel seek method'20128,086,198'Radio broadcasting receiver and method for seeking radio broadcasting'20117,273,029'Cylinder liner and cylinder block'20077,009,619'Map display device, map display system, map display method, and map display program product'20066,129,992'High-strength cold rolled steel sheet and high-strength plated steel sheet possessing improved geomagnetic shielding properties and process for producing the same'20005,954,896'Cold rolled steel sheet and galvanized steel sheet having improved homogeneity in workability and process for producing same'19995,901,777'Twin-roll continuous casting method'19995,855,106'Film supplying apparatus and lift mechanism for a packaging machine'19995,618,355'High-strength steel sheet suitable for deep drawing and process for producing the same'19975,578,143'Continuously cast slab of extremely low carbon steel with less surface defects in steel sheet-producing step; extremely low carbon sheet steel; and process for producing the same'19965,493,711'Radio receiver for locating the strongest signal carrying a selected program'19965,457,816'Scanning receiver with stored frequencies'19955,156,690'Building low yield ratio hot-dip galvanized cold rolled steel sheet having improved refractory property'19924,981,531'Process for producing cold rolled steel sheets having excellent press formability and ageing property'19914,956,025'Process for producing cold-rolled high strength steel sheet having excellent formability and conversion-treatability'19904,881,273'RDS system radio'19894,801,341'One-sided enamelable hot-rolled steel sheet and process for producing the same'19894,769,088'Process for producing hot-rolled steel sheet having high r value'19884,683,707'System for packaging, weighing and labeling articles'19874,578,926'Apparatus for packaging, weighing and labeling merchandise'19864,443,272'Process for producing cold rolled steel sheets having excellent press formability and ageing property'19844,424,238'Adhesive for bonding polyester fibrous material to rubber compositions'19844,394,186'Method for producing a dual-phase steel sheet having excellent formability, high artificial-aging hardenability after forming, high strength, low yield ratio, and high ductility'19834,391,653'Process for producing cold rolled steel strip having excellent mechanical strength and useful for motor vehicles'19834,378,453'Adhesive for polyester fibrous material'19834,376,661'Method of producing dual phase structure cold rolled steel sheet'19834,374,962'Adhesive for polyester fibrous material'19834,285,741'Process for producing high-strength, low yield ratio and high ductility dual-phase structure steel sheets'19814,264,677'Red colored phosphor and process for preparing the same'19814,252,171'Withstand-voltage tire'19814,140,166'Pneumatic radial tire'19794,011,106'Hot-rolled steel sheet of high cold formability and method of producing such steel sheet'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2000Patents assigned to NIPPON STEEL CORP (16)· patent assignee history
1977–2000Based in Kimitsu, JP· patent location history
1979–1984Patents assigned to BRIDGESTONE TIRE CO LTD (5)· patent assignee history
1979–1984Based in Sayama, JP· patent location history
1989–2014Patents assigned to CLARION CO LTD (7)· patent assignee history
1989–2020Based in Tokyo, JP· patent location history
1996–1999Based in Futtsu, JP· patent location history
2011–2014Patents assigned to KOYAMA KAZUO (7)· patent assignee history
2011–2014Patents assigned to INAKO KAZUYOSHI (4)· patent assignee history
2011–2014Based in Hasuda, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 16 | 1977–2000 |
| CLARION CO LTD | 7 | 1989–2014 |
| KOYAMA KAZUOself | 7 | 2011–2014 |
| BRIDGESTONE TIRE CO LTD | 5 | 1979–1984 |
| INAKO KAZUYOSHI | 4 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kimitsu, JP | 10 | 1977–2000 |
| Tokyo, JP | 5 | 1989–2020 |
| Sayama, JP | 5 | 1979–1984 |
| Hasuda, JP | 4 | 2011–2014 |
| Futtsu, JP | 4 | 1996–1999 |